9. Implementation of Spirograph using Vector Font as Frame

Title(ENG)

• Implementation of Spirograph using Vector Font as Frame

Keywords(ENG)

• Spirograph, Vector Font, Roulette Curve, Offset Curve, Casual Game, Educational Game

Author

• Cheung Woon JHO

Abstract(ENG)

Spirograph is a roulette curve generation system that expresses the trajectory past a specific point in the wheel in a curved form by engaging a wheel in a fixed frame shape. In general, the frame and wheel are made in a simple shape such as a circle, and are made and used like a kind of toy. The mathematical principle of drawing the pattern of the roulette curve has already been studied a lot and is also used as an educational game or casual game. However, these games are based only on a generation method using a circular frame and a circular wheel, and a generation method using a more complex general shape frame is not used. Therefore, in this paper, we are trying to create a roulette curve using a vector font familiar to us using this spirograph system as a frame. A solution was proposed for the treatment of discontinuous turning parts and parts that the wheel could not access, which were not covered in previous studies, and an example of application to vector fonts was shown through the experimental results. This research is expected to be used as an educational game or casual game by expanding the existing spirograph generation method, and it can be used in fields such as font transformation method using vector fonts, vector graphic application, and so on.

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